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Finding the Fourth Proportional to 392,026.48, 541,186.58 and 262,917.71

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Solution

The fourth proportional to 392,026.48, 541,186.58 and 262,917.71 is: 362,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,026.48 : 541,186.58 = 262,917.71 : x
  2. Step 2: Convert to fraction form
    392,026.48/541,186.58 = 262,917.71/x
  3. Step 3: Cross multiply
    392,026.48x = 541,186.58 × 262,917.71
  4. Step 4: Simplify right side
    392,026.48x = 142,287,536,277.14
  5. Step 5: Solve for x
    x = 142,287,536,277.14/392,026.48
  6. Step 6: Final answer
    x = 362,953.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.